Who we are

A tier one manufacturer and supplier to the automotive industry.


Arlington acquired the Wahler thermostat business from BorgWarner in April 2019. The acquisition helped provide new technology and manufacturing synergies to a wider base of OEM and Tier One customers as well as an established aftermarket business. Globally, there are also more than 70 registered trademarks with the Wahler relief and name branded.


Arlington acquired Magal Engineering in 2017. This acquisition saw Arlington move from being solely an automotive pressing and assembly service provider to a supplier of finished products.

Dauphinoise Thomson

Part of Arlington since 2003, the Dauphinoise Thomson plant offers the design, development and manufacture of automotive cooling systems, plastic components and thermostats, and non-automotive thermostat components.